SGL: A 3D scene graph library
http://sgl.sourceforge.net/
SGL consists of a set of cross-platform C++ libraries, built on top of OpenGL, which implements 3D scene graph functionality (sgl), some simple 3D model loaders (sgldb), and some miscellaneous utilities (sglu).
2000-10-22

GLUI User Interface Library
Paul Rademacher
http://www.cs.unc.edu/~rademach/glui/
GLUI is a GLUT-based C++ user interface library which provides controls such as buttons, checkboxes, radio buttons, and spinners to OpenGL applications. It is window-system independent, relying on GLUT to handle all system-dependent issues, such as window and mouse management.
2000-10-21